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Very Hot Topic (More than 25 Replies) My trusty engine tells me Chess Truth (Read 48400 times)
Master Om
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Re: My trusty engine tells me Chess Truth
Reply #61 - 01/06/12 at 02:20:33
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Nice. Nd6!? and Ng3!! both win. It is from my own correspondence game where I was Unfortunately black. Sad
  
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Vass
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Re: My trusty engine tells me Chess Truth
Reply #60 - 01/05/12 at 23:19:11
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Master Om wrote on 01/05/12 at 11:11:26:
Very nice analysis . You did a great Job in finding it. If you run any engine In IA they don't find it unattended.
what if black played 2...h5  ?

Thank you!
If 1.g6 fxg6 2.hxg6 h5 then 3.Ng3! b3 (3...hxg4? 4.Qf5 +-; 3...Rf8 4.Nxh5) 4.cxb3 axb3 5.a3 and so on.. Wink  Wink
  
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Master Om
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Re: My trusty engine tells me Chess Truth
Reply #59 - 01/05/12 at 11:11:26
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Very nice analysis . You did a great Job in finding it. If you run any engine In IA they don't find it unattended.
what if black played 2...h5  ?
  
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Vass
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Re: My trusty engine tells me Chess Truth
Reply #58 - 01/05/12 at 08:24:52
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@ Master Om: Yes! Another great position. My engines were completely helpless until I started to "show" them how to attack. As a correspondence chess player I paid attention to 1.Nf6 and 1.g6 first. Some typical sicilian sacrifices. As soon as I moved 1.g6!! fxg6 2.hxg6 h6 3.Bxh6 Houdini started to wake up.  Wink Just a brief analysis here:

Edit: I'm not pretending my analysis is best. It's made for about 10 mins with Houdini as a helper on a poor computer. If I have to play this position in a correspondence chess game I'll do it better of course. And all because I don't trust engines in full.  Wink
  
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Master Om
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Re: My trusty engine tells me Chess Truth
Reply #57 - 01/05/12 at 01:23:47
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Vass wrote on 01/04/12 at 19:50:59:
Wow, Master Om! Your "modded" engines are monsters..  Shocked
Houdini 2.0c, Rybka 4.1 and alike (on my Win7/32 Dell Vostro) have to dig all day & night for such results.. It seems you have appropriate hardware, too.. Something like Topalov hired for preparation for his WC match against Anand.  Cheesy
Anyway, I'm sure you know that your "modded" engines are limited, too.. Some are good on tactics and some are not. It's real fun to watch how they play endgames without tablebases.  Grin I'm waiting for one of my opponents in a correspondence chess game to resign and I'll publish the endgame - same coloured bishops and four pawns each when a zugzwang is at stake (where tablebases are of little help). Then I'll give this to your 64bit engines on whatever hardware you may use (with tablebases", of course)... But with no solution!  Wink
And you'll promise me that you'll never move the pieces - just put your "robot power" to a test. Deal?  Cool



After lots of experimentation I now know what engines are better in what type of position. Most engines which have lots of settings can be tuned to find sacrifices. All of your fine examples were of King safety which most engine dont consider in default settings. So I change few parameters to make them king side attacker. The find those sacs immediately. But they must be again checked with top 3 engines for refutation and If any refutation is found then again they are fed to those engines to check the reality of the defense and so on. Most of the time I succeed than my opponent. Consider this position below. Its white to play and tell me who is winning.
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*
  
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SWJediknight
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Re: My trusty engine tells me Chess Truth
Reply #56 - 01/04/12 at 23:18:08
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An amusing game, which reminds me of the position that David Norwood often flagged up as confusing the computers of the 1990s:
http://www.chessbase.com/newsdetail.asp?newsid=1319
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Modern computers are generally capable of resisting 1.bxa5 (including all versions of Fritz from Fritz 8 onwards).  However, if you replace the b4-pawn with a bishop, most (possibly all) computers still cannot resist 1.Bxa5, missing 1...b4! (forced, or else 2.Bb4 restores the blockade) which still wins for Black.  Nakamura's game shows that computers still have some way to go before they fully "understand" blockades.  (I must admit that I quite enjoy messing about with chess engines).
  
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bragesjo
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Re: My trusty engine tells me Chess Truth
Reply #55 - 01/04/12 at 21:16:03
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Vass wrote on 01/04/12 at 20:24:40:


This game was realy funny! Poor computer...
  
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Vass
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Re: My trusty engine tells me Chess Truth
Reply #54 - 01/04/12 at 20:24:40
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Btw, have you ever seen this?
http://www.chessgames.com/perl/chessgame?gid=1497429
  
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Vass
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Re: My trusty engine tells me Chess Truth
Reply #53 - 01/04/12 at 20:03:25
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Master Om wrote on 01/04/12 at 17:16:16:
Smyslov_Fan wrote on 11/03/11 at 13:41:46:
Thx, Vass! I'm amazed that the engines can't see that plan. But then, I've found that even now, Roman Dzindzichasvili's old (1990s) method of using pawn storms to crush engines still works in correspondence.


Sorry Engines actually see the plan. But your 2nd sentence is so true.

No, they don't. They don't know what plan is. Actually. They just "see" moves and evaluate..one after another. Till the end of the world..  Cry
  
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Vass
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Re: My trusty engine tells me Chess Truth
Reply #52 - 01/04/12 at 19:55:59
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Dink Heckler wrote on 01/04/12 at 16:29:22:
I don't really understand the thrust of this thread; so computers aren't omniscient? Who knew?

We, human beings...who constructed them.  Wink
  
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Vass
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Re: My trusty engine tells me Chess Truth
Reply #51 - 01/04/12 at 19:50:59
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Wow, Master Om! Your "modded" engines are monsters..  Shocked
Houdini 2.0c, Rybka 4.1 and alike (on my Win7/32 Dell Vostro) have to dig all day & night for such results.. It seems you have appropriate hardware, too.. Something like Topalov hired for preparation for his WC match against Anand.  Cheesy
Anyway, I'm sure you know that your "modded" engines are limited, too.. Some are good on tactics and some are not. It's real fun to watch how they play endgames without tablebases.  Grin I'm waiting for one of my opponents in a correspondence chess game to resign and I'll publish the endgame - same coloured bishops and four pawns each when a zugzwang is at stake (where tablebases are of little help). Then I'll give this to your 64bit engines on whatever hardware you may use (with tablebases", of course)... But with no solution!  Wink
And you'll promise me that you'll never move the pieces - just put your "robot power" to a test. Deal?  Cool
  
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Master Om
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Re: My trusty engine tells me Chess Truth
Reply #50 - 01/04/12 at 17:47:40
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Vass wrote on 11/15/11 at 11:13:44:
Engines good at tactics.. Really?

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*

If you're tired of looking at your engines' solutions 1.Kh1 (1.Kh2) or 1.f3 as the superior moves for white in this position...just try to wake up your beloved engine with 1.Bxh6!   Shocked Then after the obvious 1...gxh6 2.Qxh6 Ng6 (the knight on h4 was hanging badly) it usually starts counting on 3.Nf5  Roll Eyes  But enter 3.Re1! and...whoa, suddenly your machine is seeing everything.  Cheesy



My modded engines never sleep!!! Smiley


5: 1...Bxh6!!
r4rk1/5pp1/1pqpbn1p/p3p3/2P1P2n/P2BB1NP/1P1Q1PP1/R2R2K1 w - - 0 1

Analysis by Zappa Mexico II x64 Crazy:

1.Bxh6 Ng6 2.Bxg7 Kxg7 3.Qg5 Rg8 4.Bf1 Bxh3 5.gxh3 Nh7 6.Qf5
  +-  (1.80)   Depth: 9/35   00:00:00  1168kN
1.Bxh6 Ng6 2.Bxg7 Kxg7 3.Qg5 Rg8 4.Bf1 Bxh3 5.gxh3 Nh7 6.Qf5
  +-  (1.80)   Depth: 9/35   00:00:00  1177kN
1.Bxh6 Ng6 2.Bg5 Nd7 3.Nf5 Nc5 4.Qe3 a4
  +-  (1.74)   Depth: 10/35   00:00:00  2440kN
1.Bxh6 Ng6 2.Bg5 Nd7 3.Nf5 Nc5 4.Qe3
  +-  (1.74)   Depth: 10/35   00:00:00  2456kN
1.Bxh6 Ng6 2.Bg5 Nd7 3.Nf5 Nc5 4.Qe3 Nb3
  +-  (1.77)   Depth: 11/35   00:00:01  3150kN
1.Bxh6 Ng6 2.Bg5 Nd7 3.Nf5 Nc5 4.Qe3 Nb3
  +-  (1.77)   Depth: 11/35   00:00:01  3650kN
1.Bxh6 Ng6 2.Qg5 Nh7 3.Qc1 gxh6 4.Qxh6 Nf4 5.Rac1 a4
  +-  (1.83)   Depth: 12/38   00:00:01  5835kN
1.Bxh6 Ng6 2.Qg5 Nh7 3.Qc1 gxh6 4.Qxh6 Nf4 5.Rac1 a4
  +-  (1.83)   Depth: 12/38   00:00:02  8421kN
1.Bxh6 Ng6 2.Qg5 Nh7 3.Qc1 gxh6 4.Qxh6 Nf4 5.Ne2 Nxe2+ 6.Bxe2
  +-  (1.76)   Depth: 13/38   00:00:04  16178kN
1.Bxh6 Ng6 2.Qg5 Nh7 3.Qc1 gxh6 4.Qxh6 Nf4 5.Ne2 Nxe2+ 6.Bxe2
  +-  (1.76)   Depth: 13/38   00:00:05  21511kN
1.Bxh6 Ng6 2.Nf5 Nh5 3.Be2 Bxf5 4.exf5 Ngf4 5.Bf3 e4 6.Bxh5 e3 7.Bf3 Qxf3 8.Bxf4 Qxf4 9.Qxe3 Qxe3 10.fxe3
  +-  (2.04)   Depth: 14/47   00:00:12  53409kN
1.Bxh6 Ng6 2.Nf5 Nh5 3.Be2 Bxf5 4.exf5 Ngf4 5.Bf3 e4 6.Bxh5 e3 7.Bf3 Qxf3 8.Bxf4 Qxf4 9.Qxe3 Qxe3 10.fxe3
  +-  (2.04)   Depth: 14/47   00:00:13  54639kN
1.Bxh6 Ng6 2.Nf5 Nh5 3.Be2 Bxf5 4.exf5 Ngf4 5.Bf3 e4 6.Bxh5 e3 7.Bf3 Qxf3 8.Bxf4 Qxf4 9.Qxe3 Qxe3 10.fxe3
  +-  (2.04)   Depth: 15/47   00:00:16  68561kN
1.Bxh6 Ng6 2.Nf5 Nh5 3.Be2 Bxf5 4.exf5 Ngf4 5.Bf3 e4 6.Bxh5 e3 7.Bf3 Qxf3 8.Bxf4 Qxf4 9.Qxe3 Qxe3 10.fxe3
  +-  (2.04)   Depth: 15/47   00:00:16  70271kN
1.Bxh6 Ng6 2.Nf5 Bxf5 3.exf5 Nh4 4.f3 e4 5.fxe4 Qc5+ 6.Kh1 Nh7 7.Bf1 Rfd8 8.Qf4 Nxg2 9.Bxg2
  +-  (2.12)   Depth: 16/47   00:00:29  125mN
1.Bxh6 Ng6 2.Nf5 Bxf5 3.exf5 Nh4 4.f3 e4 5.fxe4 Qc5+ 6.Kh1 Nh7 7.Bf1 Rfd8 8.Qf4 Nxg2 9.Bxg2
  +-  (2.12)   Depth: 16/47   00:00:29  127mN

(Prakash, Bhubaneswar 04.01.2012)
  
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Master Om
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Re: My trusty engine tells me Chess Truth
Reply #49 - 01/04/12 at 17:41:13
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Vass wrote on 11/03/11 at 15:53:26:
And look at this one! Aronian - Volokitin:

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*
After the game Aronian makes the remark: Bxh6! with excellent play for white.
Just try to give this to Houdini!..  Cheesy
Never trust your engine!.. Trust your mind!..  Lips Sealed



I trust my modded engines more than my mind. Smiley


New game
rn3rk1/pp3pb1/1qp1p2p/8/2pPP1n1/2N2N2/PPQ2P2/R1B1K2R w KQ - 0 1

Analysis by Stockfish 2.2 JA 64bit:

16.e5 Qd8 17.Bg5 Qb6 18.Be7 Re8 19.Bc5
  +/=  (0.44)   Depth: 7/13   00:00:00  13kN
16.e5 Qd8 17.Bg5 Qb6 18.Be7 Re8 19.Bc5 Qd8 20.0-0-0
  +/-  (0.84)   Depth: 8/13   00:00:00  25kN
16.e5 Nd7 17.Rh4 f5 18.exf6 Ndxf6 19.Qg6 Rad8 20.Rxg4 Nxg4 21.Qxg4 Kh8 22.Bxh6 Bxh6 23.Qg6 Bf4 24.Qh5+ Kg7 25.Qg4+ Kh8 26.Qh5+
  =/+  (-0.28)   Depth: 9/16   00:00:00  44kN
16.e5 Nd7 17.Rh4 f5 18.exf6 Ndxf6 19.Qg6 Rad8 20.Rxg4 Nxg4 21.Qxg4 Kh8 22.Bxh6 Bxh6 23.Qg6 Bf4 24.Qh5+ Kg7 25.Qg4+ Kh8 26.Qh5+
  =/+  (-0.28)   Depth: 10/19   00:00:00  52kN
16.e5 Nd7 17.Rg1 f5 18.exf6 Ndxf6 19.Qg6 Rf7 20.Rb1 h5 21.Be3 Qa5 22.Ng5 Re7 23.Bf4 Qf5
  =/+  (-0.44)   Depth: 11/20   00:00:00  77kN
16.e5 Nd7 17.Rg1 f5 18.exf6 Ndxf6 19.Qg6 Rf7 20.Rb1 h5 21.Be3 Qa5 22.Ng5 Re7 23.Bf4 Qf5
  =/+  (-0.44)   Depth: 12/23   00:00:00  103kN
16.e5 Nd7 17.Rg1 f5 18.exf6 h5 19.Qg6 Rxf6 20.Qxh5 Rxf3 21.Rxg4 Rf7 22.Rg1 Nf6 23.Qg6 Kf8 24.Bf4 Qxb2 25.Bd6+ Ke8
  =/+  (-0.36)   Depth: 13/23   00:00:00  172kN
16.e5 Nd7 17.Rg1 f5 18.exf6 Ndxf6 19.Qg6 Rf7 20.Bd2 c5 21.Ne5 Nxe5 22.dxe5 Nd7 23.Qh5 Qxb2 24.Rb1 Qc2 25.Rxb7 Qd3 26.f4 Qd4 27.Ne2 Qd5 28.Rb1 Qe4 29.Rd1 Qh7 30.Qh3 Re8
  =/+  (-0.56)   Depth: 14/25   00:00:00  240kN
16.Bxh6 Bxh6 17.Rxh6 Nxh6 18.Qd2 Kg7 19.0-0-0 Rh8 20.Qg5+ Kf8 21.Qf6 Rg8 22.Qxh6+ Ke8 23.e5 Nd7 24.Ne4 Kd8 25.Qh4+ Kc8 26.Qe7 Qd8 27.Qxf7
  =/+  (-0.48)   Depth: 15/27   00:00:00  619kN
16.e5 Nd7 17.Rg1 f5 18.exf6 Ndxf6 19.Qg6 Rf7 20.Bd2 c5 21.Ne5 Nxe5 22.dxe5 Nd7 23.Qh5 Qxb2 24.Rb1 Qc2 25.Rxb7 Qd3 26.f4 Qd4 27.Ne2 Qd5 28.Rb1 Qe4 29.Rd1 Qh7 30.Qh3 Re8
  =/+  (-0.56)   Depth: 16/29   00:00:00  1039kN
16.Ne5 f5 17.Nxg4 fxg4 18.Bxh6 Qxd4 19.Be3 Qd3 20.Qxd3 cxd3 21.Kd2 Nd7 22.Kxd3 b6 23.Ke2 Ne5 24.Rad1 Rad8 25.Rxd8 Rxd8 26.Bg5 Rd7
  =/+  (-0.44)   Depth: 17/29   00:00:00  2602kN
16.Na4 Qc7 17.Rh4 f5 18.Qxc4 Re8 19.Nc3 Qf7 20.Bf4 Nd7 21.Qb4 Bf6 22.Rh3 fxe4 23.Nxe4 Be7 24.Qd2 Qg6 25.Qe2
  =/+  (-0.40)   Depth: 18/29   00:00:00  4179kN
16.Na4 Qc7 17.Rh4 f5 18.Qxc4 Re8 19.Nc5 Na6 20.exf5 Qf7 21.f6 Qxf6 22.Rxg4 Qxf3 23.Rg1 Nxc5 24.dxc5 Qf6 25.Qf4 Qxf4 26.Bxf4 Kf7 27.0-0-0 Rad8 28.b3 h5 29.Rxd8 Rxd8
  =/+  (-0.48)   Depth: 19/29   00:00:01  5534kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.Qc1 Nd7 20.Rxg7+ Kxg7 21.Qxh6+ Kf7 22.Qh7+ Ke8
  =/+  (-0.56 --)   Depth: 20/33   00:00:02  14880kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.Na4 Qb5 20.Nc3 Qb4 21.d5 e5 22.Qd2 Rg8 23.Rxg7+ Rxg7 24.Rxh6 Kg8 25.Nh4 Rh7 26.Rxf6 Nd7 27.Rg6+ Kf8 28.Nf5
  =/+  (-0.28)   Depth: 20/35   00:00:02  16748kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nf5 20.Rh7 Nd7 21.exf6 Nxf6 22.Rgxg7+ Nxg7 23.Ng5+ Kg8 24.Qg6 Qxb2+ 25.Kd1 Qa1+ 26.Kc2
  =  (-0.20 ++)   Depth: 21/35   00:00:03  19539kN
16.Bxh6 Bxh6 17.Ke2 f5 18.Rag1 Rf6 19.Rxh6 Rxh6 20.exf5 exf5 21.Qxf5 Qxb2+ 22.Nd2 Rh4 23.Rxg4+ Rxg4 24.Qxg4+ Kh8 25.Qh5+ Kg7 26.Qg5+ Kh7 27.Qf5+ Kh6 28.Nce4
  =  (-0.12 ++)   Depth: 21/35   00:00:03  20000kN
16.Bxh6 Bxh6 17.Ke2 f5 18.Rag1 Rf6 19.Rxh6 Rxh6 20.exf5 exf5 21.Qxf5 Qxb2+ 22.Nd2 Rh4 23.Rxg4+ Rxg4 24.Qxg4+ Kh8 25.Qh5+ Kg7 26.Qg4+ Kh8
  =  (0.00 ++)   Depth: 21/36   00:00:03  20629kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Nf7 19.e5 f5 20.Rxg7+ Kxg7 21.Rg1+ Kh7 22.Rh1+ Kg8 23.Rg1+ Kh8 24.Rh1+ Kg8
  =  (0.00)   Depth: 21/36   00:00:03  23084kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Nf7 19.e5 f5 20.Rxg7+ Kxg7 21.Rg1+ Kh7 22.Rh1+ Kg8 23.Rg1+ Kh8 24.Rh1+ Kg8
  =  (0.00)   Depth: 22/36   00:00:04  28000kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Nf7 19.e5 f5 20.Qc1 a5 21.Na4
  =  (0.08 ++)   Depth: 23/36   00:00:05  32470kN
16.Bxh6 Bxh6 17.Ke2 f5 18.Rag1 Rf6 19.Rxh6 Rxh6 20.exf5 exf5 21.Qxf5 Qxb2+ 22.Nd2 Rh4 23.Rxg4+ Rxg4 24.Qxg4+ Kf8 25.Qf5+ Ke7 26.Nce4 Qxd4 27.Qh7+ Kf8 28.Qxb7 Qd3+ 29.Ke1 c3 30.Qxa8 cxd2+ 31.Nxd2
  =  (0.16 ++)   Depth: 23/36   00:00:05  34264kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Nf7 19.e5 f5 20.Qc1 a5 21.Na4
  +/=  (0.28 ++)   Depth: 23/53   00:00:05  37599kN
16.Bxh6 Bxd4 17.Nxd4 Qxd4 18.Bxf8 Kxf8 19.Qd2 Qxd2+ 20.Kxd2 Nxf2 21.Rh8+ Ke7 22.b3 b5 23.Rf1
  +/=  (0.46 ++)   Depth: 23/53   00:00:06  42495kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nf5 20.Rh7 Rg8 21.exf6 Kxf6 22.Na4 Qxd4 23.Rd1 Qf4 24.Nc5 Kf7
  =  (-0.08 --)   Depth: 23/53   00:00:07  51443kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nf5 20.Rh7 Rg8 21.exf6 Kxf6 22.Na4 Qxd4 23.Rd1 Qf4 24.Nc5 Kf7
  =/+  (-0.48 --)   Depth: 23/53   00:00:08  57978kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nf5 20.Rh7 Rg8 21.exf6 Kxf6 22.Ne4+ Ke7 23.Nc5 Qd8 24.Rg6 Nxd4+ 25.Nxd4 Qxd4 26.Rxe6+ Kd8 27.Rd6+
  +/-  (0.73 ++)   Depth: 23/53   00:00:08  59483kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nf5 20.Rh7 Rg8 21.exf6 Nd7 22.fxg7 Nf6 23.Rh3 Rxg7 24.Ne5+ Kf8 25.Rh8+ Ng8 26.Kf1 Qxd4 27.Qe2 Rd8 28.Rxg7 Kxg7 29.Rh1 Nf6 30.Rg1+ Kf8 31.Ng6+ Kf7 32.Ne5+ Kf8
  =  (0.00)   Depth: 23/53   00:00:14  96623kN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nf5 20.Rh7 Rg8 21.exf6 Nd7 22.fxg7 Nf6 23.Rh3 Rxg7 24.Ne5+ Kf8 25.Rh8+ Ng8 26.Kf1 Qxd4 27.Qe2 Rd8 28.Rxg7 Kxg7 29.Rh1 Nf6 30.Rg1+ Kf8 31.Ng6+ Kf7 32.Ne5+ Kf8
  =  (0.00)   Depth: 24/53   00:00:15  105mN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nf5 20.Rh7 Rg8 21.exf6 Nd7 22.Rgxg7+ Rxg7 23.fxg7 Nf6 24.Ng5+ Kg8 25.Rh8+ Kxg7 26.Nxe6+ Kxh8 27.Qxf5 Qxb2+ 28.Kd1 Qa1+ 29.Kc2
  =  (0.08 ++)   Depth: 25/53   00:00:16  113mN
16.Bxh6 Bxh6 17.Ke2 c5 18.Rag1 f5 19.Rxh6 cxd4 20.Qd2 d3+ 21.Kf1 Rf7 22.exf5 Rg7 23.f6
  =  (0.16 ++)   Depth: 25/53   00:00:17  119mN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Nf7 19.e5 f5 20.Qc1 Rd8 21.Na4 Qc7 22.Nc5 Re8 23.Rg6 Nd8 24.Ng5
  +/=  (0.28 ++)   Depth: 25/53   00:00:17  124mN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Nf7 19.e5 f5 20.Qc1 Rd8 21.Na4 Qc7 22.Nc5 Re8 23.Rg6 Nd8 24.Ng5
  +/=  (0.46 ++)   Depth: 25/53   00:00:18  131mN
16.Bxh6 Bxh6 17.Ke2 f5 18.Rag1 Kf7 19.exf5 exf5 20.Qxf5+ Ke8 21.Qb1 Nxf2 22.Rxh6 Nd3 23.Rg7 Qxb2+ 24.Qxb2 Nxb2 25.Rxb7 Nd3 26.Rhh7
  +/-  (0.73 ++)   Depth: 25/53   00:00:21  151mN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nd7 20.Ne4 Rg8 21.exf6 Nxf6 22.Ne5+ Ke7 23.Nxf6 Qxd4 24.Nxg8+ Rxg8 25.Nxc4 Nf5 26.Kf1 Rd8 27.Qe2 b5 28.Na5 Rd6 29.Rh7 Qd1+ 30.Qxd1 Rxd1+ 31.Kg2 Rxg1+ 32.Kxg1 Kd6 33.b4
  +/-  (0.84)   Depth: 25/53   00:00:27  192mN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nd7 20.Ne4 Rg8 21.exf6 Bxf6 22.Nfg5+ Bxg5 23.Nxg5+ Ke7 24.Rxh6 Nf6 25.Qxc4 Qxb2+ 26.Kd3 Qb5
  +/-  (0.76 --)   Depth: 26/53   00:00:30  219mN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nd7 20.Ne4 Rg8 21.exf6 Bxf6 22.Nfg5+ Bxg5 23.Nxg5+ Ke7 24.Rxh6 Nf6 25.Qxc4 Qxb2+ 26.Ke3 Nd5+ 27.Kf3 Raf8+
  +/=  (0.68 --)   Depth: 26/53   00:00:31  224mN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nd7 20.Ne4 Rg8 21.exf6 Bxf6 22.Nfg5+ Bxg5 23.Nxg5+ Ke7 24.Rxh6 Nf8 25.Qxc4 Qxb2+
  +/=  (0.56 --)   Depth: 26/53   00:00:32  228mN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nd7 20.Ne4 Rg8 21.exf6 Bxf6 22.Nfg5+ Bxg5 23.Nxg5+ Ke7 24.Rxh6 Nf8 25.Ke3 Kd7 26.Rh7+ Ke8 27.f4 Qb4 28.a3 Qb6 29.Rh2 Qb3+ 30.Qxb3 cxb3 31.Ke4 Kd7 32.Rg3 Ng6
  +/=  (0.56)   Depth: 26/53   00:00:35  250mN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nd7 20.Ne4 Rg8 21.exf6 Bxf6 22.Nfg5+ Bxg5 23.Nxg5+ Ke7 24.Rxh6 Nf8 25.Ke3 Kd7 26.Rh7+ Ke8 27.f4 Qb4 28.a3 Qb6 29.Rh2 Qb3+ 30.Qxb3 cxb3 31.Ke4 Kd7 32.Rg3 Ng6
  +/=  (0.56)   Depth: 27/53   00:00:37  269mN
16.Bxh6 Nxh6 17.Ke2 f6 18.Rag1 Kf7 19.e5 Nd7 20.Ne4 fxe5 21.Nd6+
  +/=  (0.48 --)   Depth: 28/53   00:00:51  374mN

(Prakash, Bhubaneswar 04.01.2012)



New game
rn3rk1/pp3pb1/1qp1p2p/8/2pPP1n1/2N2N2/PPQ2P2/R1B1K2R w KQ - 0 1

Analysis by Rybka WinFinder 2.2 mp:

16.Rg1 h5 17.Ne2
  =/+  (-0.41)   Depth: 7   00:00:00  120kN
16.Rg1 h5 17.e5 Rd8
  =/+  (-0.34)   Depth: 8   00:00:00  213kN
16.Rg1 h5 17.e5 Rd8 18.Na4
  =/+  (-0.27)   Depth: 9   00:00:00  338kN
16.Rg1 h5 17.e5 Rd8 18.Na4 Qb5
  =/+  (-0.34)   Depth: 10   00:00:00  615kN
16.Rg1 h5 17.e5 f5 18.Qe2 c5 19.Be3
  =/+  (-0.27)   Depth: 11   00:00:01  1235kN
16.Rg1 h5 17.e5 f5 18.Qe2 c5 19.Be3 Nxe3
  =  (-0.20)   Depth: 12   00:00:02  2056kN
16.Rg1 h5 17.e5 f5 18.Qe2 c5 19.Be3 Nxe3 20.fxe3 cxd4
  =  (-0.20)   Depth: 13   00:00:03  3737kN
16.Rg1 h5 17.e5 f5 18.Qe2 c5 19.Be3 Nxe3 20.fxe3 cxd4 21.exd4 Na6
  =/+  (-0.34)   Depth: 14   00:00:07  7105kN
16.Bxh6
  =/+  (-0.30)   Depth: 14   00:00:15  7105kN
16.Bxh6
  =/+  (-0.34)   Depth: 14   00:00:16  7105kN
16.Bxh6
  =/+  (-0.34)   Depth: 14   00:00:17  7105kN
16.Bxh6
  =/+  (-0.34)   Depth: 14   00:00:20  7105kN
16.Bxh6 Bxh6 17.Ke2 f5 18.Rag1 Bg7 19.exf5 exf5 20.Rxg4 fxg4 21.Qh7+ Kf7 22.Ne5+ Ke8
  =  (-0.20)   Depth: 14   00:00:26  26985kN
16.Bxh6 Bxh6 17.Ke2 f5 18.Rag1 Bg7 19.exf5 exf5 20.Rxg4 fxg4 21.Qh7+ Kf7 22.Ne5+ Ke8
  =  (0.13)   Depth: 15   00:00:41  40448kN

(Prakash, Bhubaneswar 04.01.2012)
  
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Master Om
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Re: My trusty engine tells me Chess Truth
Reply #48 - 01/04/12 at 17:16:16
Post Tools
Smyslov_Fan wrote on 11/03/11 at 13:41:46:
Thx, Vass! I'm amazed that the engines can't see that plan. But then, I've found that even now, Roman Dzindzichasvili's old (1990s) method of using pawn storms to crush engines still works in correspondence.


Sorry Engines actually see the plan. But your 2nd sentence is so true.
  
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Re: My trusty engine tells me Chess Truth
Reply #47 - 01/04/12 at 17:12:26
Post Tools
Vass wrote on 11/03/11 at 12:01:04:
As correspondence chess players know...the engines are far from perfection. One may look at this position with Houdini, Rybka or whatever and never find the win for black (position taken from a correspondence chess game):
* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *
*

Then try to think yourself, analyze a bit...and you'll see:
1... g3! 2. h3 Bxh3! 3. gxh3 g2 4. Rfc1 Qh4-+  Cool
They use to to say correspondence chess is dead. Yes, it's dead...when relying only on machines.  Wink


Never draw conclusions without analysing properly. As I said You need to know what and How to use engines.


3: 1...g3!!
r5rk/1ppb1p1p/1n1p1q2/3Pb3/1PPNPpp1/3Q1P2/2B1N1PP/1R3RK1 b - - 0 1

Analysis by SPARK-1.0-win64-mp-corei TA:

1...Ra2 2.Nf5
  -+  (-6.38 ++)   Depth: 7/9   00:00:00  36kN
1...Ra2 2.Nf5
  -+  (-6.63 ++)   Depth: 7/9   00:00:00  40kN
1...Ra2 2.fxg4 Rxg4 3.Nf5 Bxf5 4.exf5 Qh4 5.Rf2
  -+  (-6.73)   Depth: 7/9   00:00:00  49kN
1...Ra2 2.fxg4 Rxg4 3.Nf5 Bxf5 4.exf5 Qh4 5.Rf2
  -+  (-6.48 --)   Depth: 8/12   00:00:00  67kN
1...Ra2 2.fxg4 Rxg4 3.Nf5 Bxf5 4.exf5 Qh4 5.Rf2
  -+  (-6.23 --)   Depth: 8/14   00:00:00  109kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfc1 Qh4 5.Ra1 Rxa1 6.Rxa1 Qxh3
  -+  (-6.39)   Depth: 8/14   00:00:00  134kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfc1 Qh4 5.Ra1 Rxa1 6.Rxa1 Qxh3
  -+  (-6.39)   Depth: 9/14   00:00:00  137kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfc1 Qh4 5.Ra1 Rxa1 6.Rxa1 Qxh3
  -+  (-6.39)   Depth: 10/18   00:00:00  227kN
1...g3 2.h3
  -+  (-6.64 ++)   Depth: 11/19   00:00:00  369kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rf2 Qh4 5.Rxg2 Qxh3 6.Rg4 Ra2 7.Rxg8+ Kxg8
  -+  (-6.84)   Depth: 11/19   00:00:00  377kN
1...g3 2.h3
  -+  (-7.09 ++)   Depth: 12/26   00:00:00  1154kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nd7 6.cxd6 cxd6 7.Nf5 Qxh3
  -+  (-6.71)   Depth: 12/26   00:00:00  1175kN
1...g3 2.h3
  -+  (-6.96 ++)   Depth: 13/26   00:00:00  2029kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nc8 6.Nf5 Qxh3 7.Rd2 dxc5 8.bxc5 Qh1+ 9.Kf2
  -+  (-6.56)   Depth: 13/26   00:00:00  2066kN
1...g3 2.h3
  -+  (-6.81 ++)   Depth: 14/28   00:00:00  3807kN
1...g3 2.h3
  -+  (-7.06 ++)   Depth: 14/28   00:00:00  3966kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nd7 6.Qb3 Qxh3 7.Nf5 b6 8.cxd6 cxd6
  -+  (-6.80)   Depth: 14/28   00:00:00  4016kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nd7 6.Qb3 Qxh3 7.Nf5 b6 8.cxd6 cxd6
  -+  (-6.55 --)   Depth: 15/34   00:00:00  6936kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nd7 6.Qb3 Qxh3 7.Nf5 b6 8.cxd6 cxd6
  -+  (-6.30 --)   Depth: 15/36   00:00:01  15261kN
1...g3 2.h3
  -+  (-7.05 ++)   Depth: 15/36   00:00:02  22626kN
1...g3 2.h3
  -+  (-7.30 ++)   Depth: 15/36   00:00:02  26544kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nd7 6.Nf5 Qxh3 7.cxd6 cxd6 8.Qb3 b6 9.Rbc1 Qh1+ 10.Kf2
  -+  (-7.42)   Depth: 15/36   00:00:02  27335kN
1...g3 2.h3
  -+  (-7.67 ++)   Depth: 16/36   00:00:02  29504kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nd7 6.c6 bxc6 7.Nxc6 Qxh3 8.Ne7 Qh1+ 9.Kf2 Qh4+ 10.Kg1 Rg5 11.Nf5 Qh1+ 12.Kf2
  -+  (-7.47)   Depth: 16/36   00:00:02  29766kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nd7 6.c6 bxc6 7.Nxc6 Qxh3 8.Ne7 Qh1+ 9.Kf2 Qh4+ 10.Kg1 Rg5 11.Nf5 Qh1+ 12.Kf2
  -+  (-7.22 --)   Depth: 17/40   00:00:03  40826kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nd7 6.c6 bxc6 7.Nxc6 Qxh3 8.Ne7 Qh1+ 9.Kf2 Qh4+ 10.Kg1 Rg5 11.Nf5 Qh1+ 12.Kf2
  -+  (-6.97 --)   Depth: 17/40   00:00:04  64726kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nd7 6.c6 bxc6 7.Nxc6 Qxh3 8.Ne7 Qh1+ 9.Kf2 Qh4+ 10.Kg1 Rg5 11.Nf5 Qh1+ 12.Kf2
  -+  (-5.97 --)   Depth: 17/43   00:00:05  86180kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.Nf5 Qxh3 6.Kf2 Ra2 7.Ng1 Qh1 8.Ke2 Na4 9.Rb3 b5 10.Re1
  -+  (-5.40)   Depth: 17/46   00:00:10  157mN

(Prakash, Bhubaneswar 04.01.2012)



3: 1...g3!!
r5rk/1ppb1p1p/1n1p1q2/3Pb3/1PPNPpp1/3Q1P2/2B1N1PP/1R3RK1 b - - 0 1

Analysis by Stockfish 2.2 JA 64bit:

1...Qg7 2.g3 gxf3 3.Rxf3 fxg3 4.hxg3 Bg4 5.Rf2 Nd7
  -+  (-1.61)   Depth: 7/7   00:00:00  3kN
1...Qg7 2.g3 gxf3 3.Rxf3 fxg3 4.hxg3 Bg4 5.Rf2 Nd7
  -+  (-1.61)   Depth: 8/7   00:00:00  4kN
1...Qg7 2.fxg4 Bxg4 3.Rf2 f3 4.Nxf3 Bxf3 5.Qxf3 Nxc4 6.g3 Nd2 7.Qxf7 Nxb1 8.Bxb1 Qh6 9.Qxc7 Raf8 10.Qxb7 Qe3
  -/+  (-1.33)   Depth: 9/12   00:00:00  15kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Qxh3 7.cxb6 Qh1+ 8.Kf2 g1B+ 9.Rxg1 Rxg1 10.Nxg1
  -+  (-1.57)   Depth: 10/18   00:00:00  62kN
1...Qg7 2.fxg4 Bxg4 3.Rf2 Nxc4 4.Qxc4 f3 5.Qd3 fxe2 6.Nxe2 Bxe2 7.Rxe2 Qh6 8.g3 Qh3 9.Rg2 Rg7 10.g4 Qxd3 11.Bxd3 Bd4+ 12.Kf1 Rgg8 13.Ke1
  -+  (-2.02)   Depth: 11/21   00:00:00  99kN
1...Qg7 2.fxg4 Bxg4 3.Rf2 Nxc4 4.Qxc4 f3 5.Nf5 Bxf5 6.exf5 fxe2 7.Rxe2 Ra3 8.Bb3
  -+  (-1.81)   Depth: 12/21   00:00:00  135kN
1...Qg7 2.fxg4 Bxg4 3.Rf2 Nxc4 4.Qxc4 f3 5.Qd3 fxe2 6.Nxe2 Bh5 7.g3 Bxe2 8.Rxe2 Bd4+ 9.Kg2 Rab8 10.h3
  -+  (-1.77)   Depth: 13/22   00:00:00  193kN
1...Qg7 2.g3 Qh6 3.c5 gxf3 4.Rxf3 fxg3 5.hxg3 Nc8 6.Qe3 Qh4 7.Nf5 Bxf5 8.exf5 Ne7 9.Rd1 Qh3 10.cxd6 cxd6 11.Nf4 Bxf4 12.Qxf4
  -+  (-1.61)   Depth: 14/25   00:00:00  389kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 Bd6 11.Nxd6 Qh4+ 12.Kg1 cxd6 13.Nxf4 Qxf4
  -+  (-1.77)   Depth: 15/26   00:00:00  527kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 Nd7 6.Nf5 Qxh3 7.Kf2 dxc5 8.Ng1 Qh5 9.Ke1 cxb4 10.Rxb4 Qh2 11.Kd2 Nc5 12.Qc4
  -+  (-1.77)   Depth: 16/29   00:00:00  627kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1Q+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Qf1 Bc3+ 15.Ke2 Qc5 16.Qg2 Rg8 17.Rb8
  -+  (-3.11)   Depth: 17/32   00:00:00  1224kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1Q+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Qf1 Bc3+ 15.Ke2 Qc5 16.Qg2 Qc4+ 17.Kd1 Rd8+ 18.Kc1 Nh5 19.Rb3 Ng3 20.Nh6 Bg7 21.Nf5 Nxf5 22.exf5 Qxc6
  -+  (-2.42)   Depth: 18/40   00:00:00  1600kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1B+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Qf1 Bc3+ 15.Ke2 Qc5 16.Qg2 Qc4+ 17.Kd1 Rd8+ 18.Kc1 Nh5 19.Rb3 Ng3 20.Nxg3 fxg3 21.Qxg3 Qxc6
  -+  (-2.58)   Depth: 19/41   00:00:00  1806kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1B+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Qf1 Bc3+ 15.Ke2 Qc5 16.Qg2 Nh5 17.Kf1 Ng3+ 18.Nxg3 fxg3 19.Qxg3 Rg8 20.Qf2
  -+  (-2.58)   Depth: 20/41   00:00:00  2034kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1B+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Qf1 Bc3+ 15.Ke2 Qc5 16.Qg2 Qc4+ 17.Kd1 Rd8+ 18.Kc1 Nh5 19.Rb3 Ng3 20.Nxg3 fxg3 21.Qxg3 Qxc6
  -+  (-2.42)   Depth: 21/45   00:00:00  2831kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1B+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Qf1 Bc3+ 15.Ke2 Qc5 16.Qg2 Qc4+ 17.Kd1 Rd8+ 18.Kc1 Nh5 19.Rb3 Ng3 20.Nxg3 fxg3 21.Qxg3 Qf1+
  -+  (-2.58)   Depth: 22/45   00:00:00  3549kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1B+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Qf1 Bc3+ 15.Ke2 Qh2+ 16.Qf2 Qh3 17.Qg1 Nh5 18.Bb3
  -+  (-3.07)   Depth: 23/45   00:00:01  5858kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1B+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Qf1 Bc3+ 15.Ke2 Qc5 16.Qg2 Qc4+ 17.Kd1 Rd8+ 18.Kc1 Nh5 19.Rb3 Ng3 20.Nh6 Bg7 21.Nf5 Nxf5 22.exf5 Qd4
  -+  (-3.51)   Depth: 24/47   00:00:01  11302kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1B+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Qf1 Bc3+ 15.Ke2 Qc5 16.Qg2 Qc4+ 17.Kd1 Rd8+ 18.Kc1 Nh5 19.Rb3 Ng3 20.Nh6 Bg7 21.Nf5 Nxf5 22.exf5 Qd4
  -+  (-3.51)   Depth: 25/48   00:00:02  17735kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1B+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Qf1 Bc3+ 15.Ke2 Qc5 16.Qg2 Qc4+ 17.Kd1 Rd8+ 18.Kc1 Nh5 19.Rb3 Ng3 20.Nh6 Bg7 21.Nf5 Nxf5 22.exf5 Qd4
  -+  (-3.59 ++)   Depth: 26/48   00:00:03  24319kN
1...g3 2.h3 Bxh3 3.Nf5 Bxf5 4.exf5 Qh6 5.Rfe1 Ra3 6.Rb3 Qh2+ 7.Kf1 Ra2 8.Ng1 Rxc2 9.Qxc2 Bd4
  -+  (-3.67 ++)   Depth: 26/48   00:00:06  38632kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1B+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+ 13.Nxg1 Qxg1+ 14.Kd2 Qf2+ 15.Kc1 h5 16.Rb5 Ra1+ 17.Bb1 Qe1+ 18.Kc2 Kh7 19.Qd2 Qg1 20.Qd1 Qf2+ 21.Kc1 Ra5
  -+  (-3.51)   Depth: 26/48   00:00:07  46036kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.c5 dxc5 6.bxc5 Nd7 7.c6 bxc6 8.dxc6 Nf6 9.Nf5 Qxh3 10.Kf2 g1Q+ 11.Rxg1 Qh2+ 12.Ke1 Rxg1+
  -+  (-3.59 ++)   Depth: 27/48   00:00:09  61269kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.Nf5 Qxh3 6.Kf2 g1B+ 7.Rxg1 Qh2+ 8.Ke1 Rxg1+ 9.Nxg1 Qxg1+ 10.Qf1 Qxf1+ 11.Kxf1 Nxc4 12.Rd1 Bc3 13.Ke2 Ne5
  -+  (-3.43 --)   Depth: 27/48   00:00:10  69662kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.Nf5 Qxh3 6.Kf2 g1B+ 7.Rxg1 Qh2+ 8.Ke1 Rxg1+ 9.Nxg1 Qxg1+ 10.Qf1 Qh2 11.Qf2 Bc3+ 12.Ke2 Qxf2+ 13.Kxf2 Ra2 14.Rc1 Bxb4 15.Kg1 Bd2 16.Bb3 Rb2 17.Rc2 Rxb3 18.Rxd2 Nxc4 19.Rc2
  -+  (-3.31 --)   Depth: 27/48   00:00:11  74863kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.Nf5 Qxh3 6.Kf2 Qh2 7.Rg1
  -+  (-3.13 --)   Depth: 27/48   00:00:12  81089kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.Nf5 Qxh3 6.Kf2 g1N 7.Rxg1 Qh2+ 8.Ke1 Rxg1+ 9.Nxg1 Qxg1+ 10.Qf1 Bc3+ 11.Ke2 Qh2+ 12.Qf2 Qxf2+ 13.Kxf2 Ra2 14.Rc1 Bxb4 15.Kg1 Ba3 16.Bb3 Bc5+ 17.Kh1 Rf2 18.Rb1 Rxf3 19.Bd1 Rf1+ 20.Kg2 Rg1+ 21.Kf3 Be3 22.Nxe3 fxe3 23.Kxe3 Nxc4+ 24.Kf2 Rh1 25.Ra1 Kg7 26.Ra4 Rxd1 27.Rxc4
  -+  (-3.43)   Depth: 27/63   00:00:13  91302kN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.Nf5 Qxh3 6.Kf2 g1N 7.Rxg1 Qh2+ 8.Ke1 Rxg1+ 9.Nxg1 Qxg1+ 10.Qf1 Bc3+ 11.Ke2 Qh2+ 12.Qf2 Qxf2+ 13.Kxf2 Ra2 14.Rc1 Bxb4 15.Kg1 Ba3 16.Bb3 Bc5+ 17.Kh1 Rf2 18.Rb1 Rxf3 19.Bd1 Rf2 20.Bh5
  -+  (-3.51 ++)   Depth: 28/63   00:00:16  109mN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.Nf5 Qxh3 6.Kf2 g1B+ 7.Rxg1 Qh2+ 8.Ke1 Rxg1+ 9.Nxg1 Qxg1+ 10.Qf1 Bc3+ 11.Ke2 Qh2+ 12.Qf2 Qxf2+ 13.Kxf2 Ra2 14.Rc1 Bxb4 15.Kg1 Ba3 16.Bb3 Bc5+ 17.Kh1 Rf2 18.Rb1 Rxf3 19.Bd1 Rf2 20.Bh5
  -+  (-3.35 --)   Depth: 28/63   00:00:18  120mN
1...g3 2.h3 Bxh3 3.gxh3 g2 4.Rfd1 Qh4 5.Nf5 Qxh3 6.Kf2 g1B+ 7.Rxg1 Qh2+ 8.Ke1 Rxg1+ 9.Nxg1 Qxg1+ 10.Qf1 Bc3+ 11.Ke2 Qh2+ 12.Qf2 Qxf2+ 13.Kxf2 Ra2 14.Rc1 Bxb4 15.Kg1 Ba3 16.Bb3 Bc5+ 17.Kh1 Rf2 18.Rc3 h5 19.Nh4 Kg7 20.Rc2 Rxc2 21.Bxc2 Nxc4 22.Nf5+ Kf6 23.Kg2 b5 24.Bd3 Ne5
  -+  (-3.55)   Depth: 28/63   00:00:20  141mN

(Prakash, Bhubaneswar 04.01.2012)
  
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